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中文摘要: 采用正交试验方法设计了3X04铝合金成分，并对退火后的合金进行了力学性能测试，分析了主要合金元素对材料力学性能的影响；通过运用金相显微镜、扫描电镜等手段研究了铝合金退火组织及断口形貌，阐述了其对力学性能影响的微观机制，找到了3X04铝合金较佳的合金元素含量。
Abstract:The orthogonal experiment is used to design the composition of 3X04 aluminum alloy.The mechanical properties were investigated after annealing,as well as the microstructure and fracture of the ingots were ob- served through metallographic microscope and SEM.Meanwhile,the effect mechanics of the alloying agents on the properties is pointed out.The optimum alloying agents have been found.
文章编号： 中图分类号：TG146.21 文献标志码：
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引用文本：
齐向前,武建军,李玉昌,童翔.合金元素对3X04铝合金铸锭组织及性能的影响[J].有色金属（冶炼部分）,2006(5):53-56.
.Influence of Alloying Elements on the Structures and Properties of 3X04 Aluminum Alloy Ingot[J].Nonferrous Metals (Extractive Metallurgy),2006(5):53-56.
齐向前,武建军,李玉昌,童翔.合金元素对3X04铝合金铸锭组织及性能的影响[J].有色金属（冶炼部分）,2006(5):53-56.
.Influence of Alloying Elements on the Structures and Properties of 3X04 Aluminum Alloy Ingot[J].Nonferrous Metals (Extractive Metallurgy),2006(5):53-56.
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